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Supplemental Financial Information (Details - Warranty reserve) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Beginning balance $ 181 $ 116
Warranty reserve assumed from acquisition of Intrinsyc 0 118
Charged to cost of revenues 226 181
Usage (210) (234)
Ending balance $ 197 $ 181